1.14.15.33	pikromycin synthase	methymycin, neomethymycin and novamethymycin biosynthesis	
2.3.1.239	10-deoxymethynolide synthase	methymycin, neomethymycin and novamethymycin biosynthesis	
2.4.1.277	10-deoxymethynolide desosaminyltransferase	methymycin, neomethymycin and novamethymycin biosynthesis